The infrared spectrum of matrix isolated aminoacetonitrile, a precursor to the amino acid glycine
The infrared spectrum of matrix isolated aminoacetonitrile, a precursor to the amino acid glycine
- New search for: Bernstein, Max P
- New search for: Bauschlicher, Charles W Jr.
- New search for: Sandford, Scott A
- New search for: Bernstein, Max P
- New search for: Bauschlicher, Charles W Jr.
- New search for: Sandford, Scott A
AbstractWe present infrared (IR) spectral data from matrix isolation experiments and density functional theory calculations on the pre-biologically interesting molecule aminoacetonitrile, a precursor to glycine. We find that this nitrile has an unusually weak nitrile (CN) stretch in the infrared, in contrast to expectations based on measurements and models of other nitriles under astrophysical conditions. The absence of an observable nitrile absorption feature in the infrared will make the search for this molecule by IR considerably more difficult, if not impossible. This is also of relevance to assessing the formation routes of the amino acid glycine, since aminoacetonitrile is the putative precursor to glycine via the Strecker synthesis, the mechanism postulated to have produced the amino acid glycine in meteorites.
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The infrared spectrum of matrix isolated aminoacetonitrile, a precursor to the amino acid glycine
Advances in Space Research ; 33 , 1 ; 40-43
2003-07-29
4 pages
Article (Journal)
Electronic Resource
English
Amino acid , Glycine , Meteorite , IR spectroscopy , Nitrile
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